tchat channel, PlugInHandler to remove singleton in future
	modified:   TChatChannels/Channel.cs
	new file:   TChatChannels/ChannelManager.cs
	modified:   TChatChannels/TChatChannels.cs
	modified:   TChatChannels/TChatChannels.csproj
	modified:   TFriends/TFriends.cs
	new file:   TPulseAPI/Events/PlayerConnectionEvent.cs
	new file:   TPulseAPI/PlugInHandler.cs
	modified:   TPulseAPI/TPulse.cs
	modified:   TPulseAPI/TPulseAPI.csproj